diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1951ad9..f385f1e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,7 +8,7 @@
 cmake_minimum_required(VERSION 3.16)
 
 project(dukpt
-	VERSION 1.2.0
+	VERSION 1.2.1
 	DESCRIPTION "DUKPT libraries and tools"
 	HOMEPAGE_URL "https://github.com/openemv/dukpt"
 	LANGUAGES C
diff --git a/rpm_changelog.txt b/rpm_changelog.txt
index c36ed2b..47781c5 100644
--- a/rpm_changelog.txt
+++ b/rpm_changelog.txt
@@ -1,3 +1,6 @@
+* Sun May 26 2024 Leon Lynch <lynch.leon@gmail.com> - 1.2.1-1
+- Update to dukpt-1.2.1
+
 * Sun Dec 31 2023 Leon Lynch <lynch.leon@gmail.com> - 1.2.0-1
 - Update to dukpt-1.2.0
 - Require tr31-0.6.0
diff --git a/ui/CMakeLists.txt b/ui/CMakeLists.txt
index 3f6b7ec..c00a12a 100644
--- a/ui/CMakeLists.txt
+++ b/ui/CMakeLists.txt
@@ -8,7 +8,7 @@
 cmake_minimum_required(VERSION 3.16)
 
 project(dukpt-ui
-	VERSION 1.2.0
+	VERSION 1.2.1
 	DESCRIPTION "DUKPT User Interface using Qt"
 	HOMEPAGE_URL "https://github.com/openemv/dukpt"
 	LANGUAGES C CXX